// this is measured without variational refinement, so it might be moot
// with it.
//
- // Tihs maps [0.0,1.0] to [-0.25 to 1.25), ie. extends the patch by 25% in
+ // This maps [0.0,1.0] to [-0.25,1.25], ie. extends the patch by 25% in
// all directions.
vec2 grown_pos = (position * 1.5) - vec2(0.25, 0.25);